All assignees
560 prefixes in 616 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 616-302 | GREENVILLE | 6003 | — | — |
| 616-303 | GREENVILLE | 991E | 2013-03-08 | Yes |
| 616-304 | GRAND RPDS | 6534 | — | — |
| 616-305 | BYRON CTR | 543C | 2023-07-14 | Yes |
| 616-306 | GRAND RPDS | 114J | 2019-09-16 | Yes |
| 616-307 | GRAND RPDS | 6003 | — | — |
| 616-308 | GRAND RPDS | 2964 | — | Yes |
| 616-309 | GRAND RPDS | 6534 | 2008-12-30 | Yes |
| 616-310 | COOPERSVL | 7157 | 2020-06-12 | Yes |
| 616-311 | XXXXXXXXXX | MULT | — | — |
| 616-312 | HOLLAND | 2964 | 2011-04-27 | Yes |
| 616-313 | DRENTHE | 2964 | 2025-01-17 | Yes |
| 616-314 | ADA | 543C | 2021-07-20 | Yes |
| 616-315 | GRAND RPDS | 2964 | 2021-09-03 | Yes |
| 616-316 | LAKEODESSA | 6630 | — | — |
| 616-317 | GRAND RPDS | 321J | 2020-09-30 | Yes |
| 616-318 | GRAND RPDS | 2964 | — | Yes |
| 616-319 | LOWELL | 543C | 2010-12-23 | Yes |
| 616-320 | GRAND RPDS | 991E | 2021-08-25 | Yes |
| 616-321 | HOLLAND | 2964 | 2021-01-19 | Yes |
| 616-322 | GRAND RPDS | 6534 | 2004-10-05 | Yes |
| 616-323 | GRAND RPDS | 543C | 2012-10-22 | Yes |
| 616-324 | CASNOVIA | 991E | 2021-07-21 | Yes |
| 616-325 | GRAND RPDS | 6003 | 2010-06-10 | Yes |
| 616-326 | ROCKFORD | 543C | 2011-08-11 | Yes |
| 616-327 | GRAND RPDS | 478J | 2020-08-31 | Yes |
| 616-328 | GRAND RPDS | 6120 | 2006-01-19 | Yes |
| 616-329 | GRAND RPDS | 2964 | 2011-06-27 | Yes |
| 616-330 | GRAND RPDS | 597F | 2019-06-17 | Yes |
| 616-331 | GRAND RPDS | 829J | — | — |
| 616-332 | GRAND RPDS | 6630 | — | — |
| 616-333 | GRAND RPDS | 543C | 2015-08-17 | Yes |
| 616-334 | GRAND RPDS | 2964 | — | — |
| 616-335 | HOLLAND | 9323 | — | Yes |
| 616-336 | GRAND RPDS | 9323 | — | — |
| 616-337 | GRAND RPDS | 2964 | 2010-07-13 | Yes |
| 616-338 | GRAND RPDS | 6630 | — | — |
| 616-339 | GRAND RPDS | 6630 | — | — |
| 616-340 | GRAND RPDS | 6003 | — | — |
| 616-341 | GRAND RPDS | 6120 | 2021-09-03 | Yes |
| 616-342 | HUDSONVL | 543C | 2021-10-29 | Yes |
| 616-343 | GREENVILLE | 2964 | 2021-06-07 | Yes |
| 616-344 | HOLLAND | 543C | — | Yes |
| 616-345 | BYRON CTR | 543C | — | Yes |
| 616-346 | HOLLAND | 543C | — | Yes |
| 616-347 | SAND LAKE | 6120 | — | Yes |
| 616-348 | CALEDONIA | 965H | 2021-07-21 | Yes |
| 616-349 | GRAND RPDS | 2964 | 2021-09-01 | Yes |
| 616-350 | GRAND RPDS | 6003 | — | Yes |
| 616-351 | GRAND RPDS | 9748 | — | — |
| 616-352 | GRAND RPDS | 508J | 2019-08-19 | Yes |
| 616-353 | SAND LAKE | 991E | 2021-10-01 | Yes |
| 616-354 | GREENVILLE | 543C | 2021-11-18 | Yes |
| 616-355 | HOLLAND | 9323 | — | — |
| 616-356 | GRAND RPDS | 9323 | — | — |
| 616-357 | ADA | 460K | — | Yes |
| 616-358 | CEDAR SPG | 495J | 2021-03-19 | Yes |
| 616-359 | DORR | 7157 | — | Yes |
| 616-360 | DUTTON | 543C | 2023-07-28 | Yes |
| 616-361 | GRAND RPDS | 9323 | — | — |
| 616-362 | MOLINE | 991E | 2021-11-10 | Yes |
| 616-363 | GRAND RPDS | 9323 | — | — |
| 616-364 | GRAND RPDS | 9323 | — | — |
| 616-365 | GRAND RPDS | 9323 | — | Yes |
| 616-366 | BYRON CTR | 7157 | — | Yes |
| 616-367 | GRAND RPDS | 732J | — | Yes |
| 616-368 | HOLLAND | 6003 | 2013-06-21 | Yes |
| 616-369 | GRAND RPDS | 543C | 2015-11-23 | Yes |
| 616-370 | GRAND RPDS | 733J | 2023-08-17 | Yes |
| 616-371 | JAMESTOWN | 7157 | — | Yes |
| 616-372 | COOPERSVL | 543C | 2022-01-21 | Yes |
| 616-373 | ZEELAND | 516J | 2022-02-28 | Yes |
| 616-374 | LAKEODESSA | 9323 | — | Yes |
| 616-375 | GRAND RPDS | 2964 | 2010-11-11 | Yes |
| 616-376 | GRAND RPDS | 6534 | 2023-10-30 | Yes |
| 616-377 | HOLLAND | 933G | 2015-09-28 | Yes |
| 616-378 | JAMESTOWN | 6534 | — | Yes |
| 616-379 | HUDSONVL | 7157 | — | Yes |
| 616-380 | GRAND RPDS | 9748 | — | — |
| 616-381 | GRAND RPDS | 6534 | 2023-12-22 | Yes |
| 616-382 | GRAND RPDS | 508J | 2019-03-28 | Yes |
| 616-383 | SPARTA | 516C | 2012-11-12 | Yes |
| 616-384 | COOPERSVL | 3535 | 2004-09-29 | Yes |
| 616-385 | KENT CITY | 933G | 2019-02-28 | Yes |
| 616-386 | GRAND RPDS | 6003 | 2024-10-08 | Yes |
| 616-387 | GRAND RPDS | 515J | 2021-01-28 | Yes |
| 616-388 | LAKEODESSA | 516J | 2022-02-22 | Yes |
| 616-389 | GRAND RPDS | 770E | — | Yes |
| 616-390 | GRAND RPDS | 6630 | — | — |
| 616-391 | GRAND RPDS | 9323 | — | — |
| 616-392 | HOLLAND | 9323 | — | — |
| 616-393 | HOLLAND | 9323 | — | — |
| 616-394 | HOLLAND | 9323 | — | — |
| 616-395 | HOLLAND | 9323 | — | — |
| 616-396 | HOLLAND | 9323 | — | — |
| 616-397 | GRAND RPDS | 9748 | — | — |
| 616-398 | GRANDHAVEN | 6534 | 2025-08-19 | Yes |
| 616-399 | HOLLAND | 9323 | — | — |
| 616-400 | SARANAC | 965H | 2020-02-19 | Yes |
| 616-401 | GRAND RPDS | 6003 | — | — |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.